Chapter 4, begins on page 68

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Across
  1. 4. organisms that lack a membrane bound nucleus and membrane bound organelles
  2. 8. green pigment found in thylakoids
  3. 11. (2 words) large, fluid filled organelle that stores water, enzymes, metabolic wastes
  4. 14. structure inside the nucleus made of protein and DNA
  5. 15. (2 words) basic theory about the cellular nature of life
  6. 17. longer, hairlike structure that are far less numerous on certain cells
  7. 18. system of flattened, membranous sacs found in chloroplasts
  8. 21. unique feature of plant cells that contain their own DNA
  9. 23. fold on the inner membrane of mitochondria
  10. 24. short, hairlike structures that are very numerous on certain cells
  11. 26. (2 word) another name for plasma membrane
  12. 27. (2 words) rigid layer that lies outside the cell’s plasma membrane; made of cellulose
  13. 29. small, spherically shaped sacs that are surrounded by a single membrane and are classified by their contents
  14. 30. (2 words) double layer of phospholipids
  15. 31. hollow tubes made of protein called tubulin
  16. 33. (2 words) double membrane that surrounds nucleus
  17. 36. network of thin tube and filaments that crisscrosses the cytosol
  18. 37. What changes smooth ER to rough ER?
  19. 38. he looked at a piece of cork under a light microscope
  20. 39. named for the H2O2 produced when breaking down alcohol and killing bacteria
Down
  1. 1. DNA in a threadlike material when cell is not dividing is called this
  2. 2. organisms that are made up of one or more cells that have a nucleus and membrane bound organelles
  3. 3. subcellular structures that perform specific functions for eukaryotes
  4. 5. dense area of nucleus that acts as the site where DNA is concentrated when it is in the process of making ribosomal RNA
  5. 6. tiny organelles that transfer energy from organic molecules to ATP
  6. 7. use light energy to make carbohydrates from carbon dioxide and water
  7. 9. the fluid of the cell that contains organelles except the nucleus
  8. 10. (2 words) functions primarily as an intracellular highway that helps molecules move from one part of the cell to another
  9. 12. long threads of the protein actin and are linked end to end and wrapped around each other like two strands of rope
  10. 13. consists of two short cylinders of microtubules at right angles to each other and are situated near the nuclear envelope
  11. 16. (2 words) this outer boundary covers a cell’s surface and acts as a barrier
  12. 19. membrane bound organelle that contains a cell’s DNA
  13. 20. the smallest unit that can carry on all the processes of life
  14. 22. concentrated part of a prokaryote
  15. 25. jellylike liquid inside the cell that holds the contents of the nucleus
  16. 28. vesicles that contain digestive enzymes
  17. 32. organelles made of protein and RNA that direct protein synthesis in the cytoplasm
  18. 34. part of the cytoplasm that includes molecules and small particles, but not organelles
  19. 35. (2 words) location in a cell where proteins get “address labels” that direct them to other parts of the cell